As for the influence of a Federal Reserve Bank of Minneapolis president, it's complicated. They're appointed by the board of directors of the Minneapolis Fed, and the directors are elected by the member banks — it's not a top-down process. To give perspective on size, the Minneapolis Fed has around $40 billion in assets, compared to the Fed's total of $8 trillion.
There's way more that also matters, but the Minneapolis Fed's president is nowhere near Jerome Powell in influence.
They do until they don't. e.g. (1). Regulation has a role in acting now to prevent harm down the road.
1)
https://en.wikipedia.org/wiki/Pyramid_schemes_in_Albania
https://thetchblog.com/2019/03/18/albanias-pyramid-scheme-ni...
That title belongs to Emilio Botín, who used to lead Spain’s largest bank and hid several hundred millions in a secret account in a Swiss bank.
Botín is spanish for pirate booty :)
I loved when the Botin story came out. Hi name was poetry in motion!